Recent credits include Shakespeare Theatre Company, Florentine Opera, Working Theater, Northern Stage, Talking Band, Prototype, Harvard University. She is a member of Sightline Arts and the Resident Designer for HOWL ensemble and Third Space. Recognitions include a 2020 Bessie Award nomination, a 2019 Opera America Tobin Finalist, a 2016 Henry Hewes Award nomination, a 2014 Live Design Young Designer to Watch, the 2011 USITT Barbizon Lighting Design Award winner, and a 2009 Hangar Theatre Lab Company Design Fellow. . Member USA 829. MFA, Boston University; AB, Harvard College. Mary Ellen currently teaches lighting design at Carnegie Mellon School of Drama.